RECEIVER ARRANGEMENT AND A TRANSMITTER ARRANGEMENT
First Claim
1. A receiver arrangement, comprisinga digital synthesizer signal generator, comprisingan input receiving a reference clock signal,a plurality of outputs, each output providing a reference signal being derived from the reference clock signal, wherein the plurality of reference signals have substantially the same frequency and different phases, anda plurality of receivers, each receiver comprisinga reference signal input receiving one reference signal of the plurality of reference signals,a receiver reference signal generator generating a receiver reference signal using the received reference signal,an antenna input receiving a transmission signal,a downconverting circuit downconverting the received transmission signal using the receiver reference signal, anda plurality of antennas coupled to the antenna input of at least one receiver of the plurality of receivers.
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Accused Products
Abstract
A transmitter/receiver (a transceiver) having: a digital synthesizer signal generator (101) to generate multiple references signals from a reference clock signal (111), a plurality of transmitters/receivers (103) where each generating corresponding reference signal from the transmitter/receiver reference signals, an up/down convert the transmit/receive signal using the corresponding reference-signal, wherein a plurality of antennas (105) coupled to the at least one transmitter/receiver of the plurality of transmitters/receivers (103).
22 Citations
30 Claims
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1. A receiver arrangement, comprising
a digital synthesizer signal generator, comprising an input receiving a reference clock signal, a plurality of outputs, each output providing a reference signal being derived from the reference clock signal, wherein the plurality of reference signals have substantially the same frequency and different phases, and a plurality of receivers, each receiver comprising a reference signal input receiving one reference signal of the plurality of reference signals, a receiver reference signal generator generating a receiver reference signal using the received reference signal, an antenna input receiving a transmission signal, a downconverting circuit downconverting the received transmission signal using the receiver reference signal, and a plurality of antennas coupled to the antenna input of at least one receiver of the plurality of receivers.
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16. A transmitter arrangement, comprising
a digital synthesizer signal generator, comprising an input receiving a reference clock signal, a plurality of outputs, each output providing a reference signal being derived from the reference clock signal, wherein the plurality of reference signals have substantially the same frequency and different phases, and a plurality of transmitters, each transmitter comprising a reference signal input receiving one reference signal of the plurality of reference signals, a transmitter reference signal generator generating a transmitter reference signal using the received reference signal, a transmitter data input receiving a transmit data signal, an upconverting circuit upconverting the transmit data signal using the transmitter reference signal, an upconverted transmit data signal output, and a plurality of antennas coupled to the upconverted transmit data signal output of at least one transmitter of the plurality of transmitters.
Specification